A trompe-l'oeil statue honoring the first guide dog in North America.

Intricate storybook scenes are tucked inside these shadow boxes, which are tucked inside a library in the Pocono Mountains.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

One of the last-standing and most prominent structures from a long-lost colonial port community.

Thousands of Matchbox cars spanning generations call this New Jersey barn home.

A historic town sits upon the site of a long-lost 18th-century trading community.

A recently abandoned psych ward at the end of Sanatorium Road.

A park in a small Pennsylvania town is home to an original sculpture by one of its native sons, legendary artist and activist Keith Haring.

Inside Crosswicks Creek Park resides an estate chronicling 200 years of history.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

One of the world's largest model railroads is a mind-boggling achievement.

One man's lifelong obsession with death.

The only thing better than tubing down New Jersey's scenic Delaware River is doing so while eating a hot dog from a giant floating stand.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

This tiny structure was built by the creator of the Brooklyn Bridge.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Descendants of this colonial Pennsylvania family still travel from far and wide to visit the 300-year-old home of their Quaker ancestors.

Surrounded by industrial sprawl, a small monument marks the site of William Penn's first landing in Pennsylvania.

One of Philadelphia's largest murals resides hidden under this bridge.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

A larger-than-life statue of America's favorite sundae marks the place it was invented.